I am on Discord of Steemit and of my friend here and randomly i get such message.
Then i enter the site
So i got 0.3 BTC. i dont know whats the scam about yet but i wont try.
if you have nerves:
:balloon:How to get a win?:balloon:
:arrow_right:Sign up on the site aerochange.com
:arrow_right:Go to the "Codes" section and activate your code D50E888A9CF7FF8F
:arrow_right:Withdraw all BTC to your address or trade it!
enjoy and let me know what they wanted! prolly to deposit something or so.